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Overview
Comment:Eliminate most usage of TCL_NUMBER_LONG, just use TCL_NUMBER_WIDE in stead (since both have the same internal representation now)
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Timelines: family | ancestors | descendants | both | no-wideint
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SHA3-256: 4b60ad78c5f61242fed7773b840a6ce417561ba8ed3b82a23e3d41ec118e082d
User & Date: jan.nijtmans 2017-10-31 16:40:57
Context
2017-11-01
12:35
Finally, get rid of tclWideIntType completely check-in: 01d55bd3e1 user: jan.nijtmans tags: no-wideint
2017-10-31
16:40
Eliminate most usage of TCL_NUMBER_LONG, just use TCL_NUMBER_WIDE in stead (since both have the same... check-in: 4b60ad78c5 user: jan.nijtmans tags: no-wideint
16:16
eliminate most use of (long) type, except for increments check-in: e2f2e6ca33 user: jan.nijtmans tags: no-wideint
Changes
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Changes to generic/tclBasic.c.

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	Tcl_DecrRefCount(resultPtr);
	if (Tcl_InitBignumFromDouble(interp, d, &big) != TCL_OK) {
	    return TCL_ERROR;
	}
	resultPtr = Tcl_NewBignumObj(&big);
	/* FALLTHROUGH */
    }
    case TCL_NUMBER_LONG:
    case TCL_NUMBER_WIDE:
    case TCL_NUMBER_BIG:
	result = TclGetLongFromObj(interp, resultPtr, ptr);
	break;

    case TCL_NUMBER_NAN:
	Tcl_GetDoubleFromObj(interp, resultPtr, &d);
................................................................................
	return TCL_ERROR;
    }

    if (TclGetNumberFromObj(interp, objv[1], &ptr, &type) != TCL_OK) {
	return TCL_ERROR;
    }

    if (type == TCL_NUMBER_LONG || type == TCL_NUMBER_WIDE) {
	Tcl_WideInt l = *((const Tcl_WideInt *) ptr);

	if (l > (Tcl_WideInt)0) {
	    goto unChanged;
	} else if (l == (Tcl_WideInt)0) {
	    const char *string = objv[1]->bytes;
	    if (string) {






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	Tcl_DecrRefCount(resultPtr);
	if (Tcl_InitBignumFromDouble(interp, d, &big) != TCL_OK) {
	    return TCL_ERROR;
	}
	resultPtr = Tcl_NewBignumObj(&big);
	/* FALLTHROUGH */
    }

    case TCL_NUMBER_WIDE:
    case TCL_NUMBER_BIG:
	result = TclGetLongFromObj(interp, resultPtr, ptr);
	break;

    case TCL_NUMBER_NAN:
	Tcl_GetDoubleFromObj(interp, resultPtr, &d);
................................................................................
	return TCL_ERROR;
    }

    if (TclGetNumberFromObj(interp, objv[1], &ptr, &type) != TCL_OK) {
	return TCL_ERROR;
    }

    if (type == TCL_NUMBER_WIDE) {
	Tcl_WideInt l = *((const Tcl_WideInt *) ptr);

	if (l > (Tcl_WideInt)0) {
	    goto unChanged;
	} else if (l == (Tcl_WideInt)0) {
	    const char *string = objv[1]->bytes;
	    if (string) {

Changes to generic/tclExecute.c.

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 * MODULE_SCOPE int GetNumberFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
 *			ClientData *ptrPtr, int *tPtr);
 */

#ifdef TCL_WIDE_INT_IS_LONG
#define GetNumberFromObj(interp, objPtr, ptrPtr, tPtr) \
    (((objPtr)->typePtr == &tclIntType)					\
	?	(*(tPtr) = TCL_NUMBER_LONG,				\
		*(ptrPtr) = (ClientData)				\
		    (&((objPtr)->internalRep.wideValue)), TCL_OK) :	\
    ((objPtr)->typePtr == &tclDoubleType)				\
	?	(((TclIsNaN((objPtr)->internalRep.doubleValue))		\
		    ?	(*(tPtr) = TCL_NUMBER_NAN)			\
		    :	(*(tPtr) = TCL_NUMBER_DOUBLE)),			\
		*(ptrPtr) = (ClientData)				\
................................................................................
		    (&((objPtr)->internalRep.doubleValue)), TCL_OK) :	\
    (((objPtr)->bytes != NULL) && ((objPtr)->length == 0))		\
	? TCL_ERROR :			\
    TclGetNumberFromObj((interp), (objPtr), (ptrPtr), (tPtr)))
#else /* !TCL_WIDE_INT_IS_LONG */
#define GetNumberFromObj(interp, objPtr, ptrPtr, tPtr) \
    (((objPtr)->typePtr == &tclIntType)					\
	?	(*(tPtr) = TCL_NUMBER_LONG,				\
		*(ptrPtr) = (ClientData)				\
		    (&((objPtr)->internalRep.wideValue)), TCL_OK) :	\
    ((objPtr)->typePtr == &tclWideIntType)				\
	?	(*(tPtr) = TCL_NUMBER_WIDE,				\
		*(ptrPtr) = (ClientData)				\
		    (&((objPtr)->internalRep.wideValue)), TCL_OK) :	\
    ((objPtr)->typePtr == &tclDoubleType)				\
................................................................................

	if (TclIsVarDirectModifyable(varPtr)) {
	    ClientData ptr;
	    int type;

	    objPtr = varPtr->value.objPtr;
	    if (GetNumberFromObj(NULL, objPtr, &ptr, &type) == TCL_OK) {
		if (type == TCL_NUMBER_LONG || type == TCL_NUMBER_WIDE) {
		    Tcl_WideInt augend = *((const Tcl_WideInt *)ptr);
		    Tcl_WideInt sum = augend + increment;

		    /*
		     * Overflow when (augend and sum have different sign) and
		     * (augend and increment have the same sign). This is
		     * encapsulated in the Overflowing macro.
................................................................................
			 * We know the sum value is outside the long range;
			 * use macro form that doesn't range test again.
			 */

			TclSetWideIntObj(objPtr, w+increment);
		    }
		    goto doneIncr;
		}	/* end if (type == TCL_NUMBER_LONG || type == TCL_NUMBER_WIDE) */
	    }
	    if (Tcl_IsShared(objPtr)) {
		objPtr->refCount--;	/* We know it's shared */
		objResultPtr = Tcl_DuplicateObj(objPtr);
		Tcl_IncrRefCount(objResultPtr);
		varPtr->value.objPtr = objResultPtr;
	    } else {
................................................................................
	ClientData ptr1, ptr2;
	int type1, type2;
    Tcl_WideInt w1, w2, wResult;

    case INST_NUM_TYPE:
	if (GetNumberFromObj(NULL, OBJ_AT_TOS, &ptr1, &type1) != TCL_OK) {
	    type1 = 0;
	} else if (type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) {
	    /* value is between WIDE_MIN and WIDE_MAX */
	    /* [string is integer] is -UINT_MAX to UINT_MAX range */
	    /* [string is wideinteger] is -UWIDE_MAX to UWIDE_MAX range */
	    int i;

	    if (Tcl_GetIntFromObj(NULL, OBJ_AT_TOS, &i) != TCL_OK) {
		type1 = TCL_NUMBER_WIDE;
	    } else {
		type1 = TCL_NUMBER_LONG;
	    }
	} else if (type1 == TCL_NUMBER_BIG) {
	    /* value is an integer outside the WIDE_MIN to WIDE_MAX range */
	    /* [string is integer] is -UINT_MAX to UINT_MAX range */
	    /* [string is wideinteger] is -UWIDE_MAX to UWIDE_MAX range */
	    int i;
	    Tcl_WideInt w;

	    if (Tcl_GetIntFromObj(NULL, OBJ_AT_TOS, &i) == TCL_OK) {
		type1 = TCL_NUMBER_LONG;
	    } else if (Tcl_GetWideIntFromObj(NULL, OBJ_AT_TOS, &w) == TCL_OK) {
		type1 = TCL_NUMBER_WIDE;
	    }
	}
	TclNewLongObj(objResultPtr, type1);
	TRACE(("\"%.20s\" => %d\n", O2S(OBJ_AT_TOS), type1));
	NEXT_INST_F(1, 1, 1);

................................................................................
	    iResult = (*pc == INST_NEQ);
	    goto foundResult;
	}
	if (valuePtr == value2Ptr) {
	    compare = MP_EQ;
	    goto convertComparison;
	}
	if ((type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) && (type2 == TCL_NUMBER_LONG || type2 == TCL_NUMBER_WIDE)) {
	    w1 = *((const Tcl_WideInt *)ptr1);
	    w2 = *((const Tcl_WideInt *)ptr2);
	    compare = (w1 < w2) ? MP_LT : ((w1 > w2) ? MP_GT : MP_EQ);
	} else {
	    compare = TclCompareTwoNumbers(valuePtr, value2Ptr);
	}

................................................................................
	    goto gotError;
	}

	/*
	 * Check for common, simple case.
	 */

	if ((type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) && (type2 == TCL_NUMBER_LONG || type2 == TCL_NUMBER_WIDE)) {
	    w1 = *((const Tcl_WideInt *)ptr1);
	    w2 = *((const Tcl_WideInt *)ptr2);

	    switch (*pc) {
	    case INST_MOD:
		if (w2 == 0) {
		    TRACE(("%s %s => DIVIDE BY ZERO\n", O2S(valuePtr),
................................................................................
#endif

	/*
	 * Handle (long,long) arithmetic as best we can without going out to
	 * an external function.
	 */

	if ((type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) && (type2 == TCL_NUMBER_LONG || type2 == TCL_NUMBER_WIDE)) {
	    w1 = *((const Tcl_WideInt *)ptr1);
	    w2 = *((const Tcl_WideInt *)ptr2);

	    switch (*pc) {
	    case INST_ADD:
		wResult = w1 + w2;
		/*
................................................................................
	    TRACE_APPEND(("ERROR: illegal type %s\n",
		    (valuePtr->typePtr? valuePtr->typePtr->name : "null")));
	    DECACHE_STACK_INFO();
	    IllegalExprOperandType(interp, pc, valuePtr);
	    CACHE_STACK_INFO();
	    goto gotError;
	}
	if (type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) {
	    w1 = *((const Tcl_WideInt *) ptr1);
	    if (Tcl_IsShared(valuePtr)) {
		TclNewWideObj(objResultPtr, ~w1);
		TRACE_APPEND(("%s\n", O2S(objResultPtr)));
		NEXT_INST_F(1, 1, 1);
	    }
	    TclSetWideIntObj(valuePtr, ~w1);
................................................................................
	    goto gotError;
	}
	switch (type1) {
	case TCL_NUMBER_NAN:
	    /* -NaN => NaN */
	    TRACE_APPEND(("%s\n", O2S(valuePtr)));
	    NEXT_INST_F(1, 0, 0);
	case TCL_NUMBER_LONG:
	case TCL_NUMBER_WIDE:
	    w1 = *((const Tcl_WideInt *) ptr1);
	    if (w1 != LLONG_MIN) {
		if (Tcl_IsShared(valuePtr)) {
		    TclNewWideObj(objResultPtr, -w1);
		    TRACE_APPEND(("%s\n", O2S(objResultPtr)));
		    NEXT_INST_F(1, 1, 1);
................................................................................
    (void) GetNumberFromObj(NULL, value2Ptr, &ptr2, &type2);

    switch (opcode) {
    case INST_MOD:
	/* TODO: Attempts to re-use unshared operands on stack */

	w2 = 0;			/* silence gcc warning */
	if (type2 == TCL_NUMBER_LONG || type2 == TCL_NUMBER_WIDE) {
	    w2 = *((const Tcl_WideInt *)ptr2);
	    if (w2 == 0) {
		return DIVIDED_BY_ZERO;
	    }
	    if ((w2 == 1) || (w2 == -1)) {
		/*
		 * Div. by |1| always yields remainder of 0.
................................................................................
    case INST_LSHIFT:
    case INST_RSHIFT: {
	/*
	 * Reject negative shift argument.
	 */

	switch (type2) {
	case TCL_NUMBER_LONG:
	case TCL_NUMBER_WIDE:
	    invalid = (*((const Tcl_WideInt *)ptr2) < (Tcl_WideInt)0);
	    break;
	case TCL_NUMBER_BIG:
	    Tcl_TakeBignumFromObj(NULL, value2Ptr, &big2);
	    invalid = (mp_cmp_d(&big2, 0) == MP_LT);
	    mp_clear(&big2);
................................................................................
	    return GENERAL_ARITHMETIC_ERROR;
	}

	/*
	 * Zero shifted any number of bits is still zero.
	 */

	if ((type1==TCL_NUMBER_LONG || type1==TCL_NUMBER_WIDE) && (*((const Tcl_WideInt *)ptr1) == (Tcl_WideInt)0)) {
	    return constants[0];
	}

	if (opcode == INST_LSHIFT) {
	    /*
	     * Large left shifts create integer overflow.
	     *
	     * BEWARE! Can't use Tcl_GetIntFromObj() here because that
	     * converts values in the (unsigned) range to their signed int
	     * counterparts, leading to incorrect results.
	     */

	    if ((type2 != TCL_NUMBER_LONG && type2 != TCL_NUMBER_WIDE)
		    || (*((const Tcl_WideInt *)ptr2) > (long) INT_MAX)) {
		/*
		 * Technically, we could hold the value (1 << (INT_MAX+1)) in
		 * an mp_int, but since we're using mp_mul_2d() to do the
		 * work, and it takes only an int argument, that's a good
		 * place to draw the line.
		 */
................................................................................
		}
	    }
	} else {
	    /*
	     * Quickly force large right shifts to 0 or -1.
	     */

	    if ((type2 != TCL_NUMBER_LONG && type2 != TCL_NUMBER_WIDE)
		    || (*(const Tcl_WideInt *)ptr2 > INT_MAX)) {
		/*
		 * Again, technically, the value to be shifted could be an
		 * mp_int so huge that a right shift by (INT_MAX+1) bits could
		 * not take us to the result of 0 or -1, but since we're using
		 * mp_div_2d to do the work, and it takes only an int
		 * argument, we draw the line there.
		 */

		switch (type1) {
		case TCL_NUMBER_LONG:
		case TCL_NUMBER_WIDE:
		    zero = (*(const Tcl_WideInt *)ptr1 > (Tcl_WideInt)0);
		    break;
		case TCL_NUMBER_BIG:
		    Tcl_TakeBignumFromObj(NULL, valuePtr, &big1);
		    zero = (mp_cmp_d(&big1, 0) == MP_GT);
		    mp_clear(&big1);
................................................................................
	    }
	    shift = (int)(*(const Tcl_WideInt *)ptr2);

	    /*
	     * Handle shifts within the native wide range.
	     */

	    if (type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) {
		w1 = *(const Tcl_WideInt *)ptr1;
		if ((size_t)shift >= CHAR_BIT*sizeof(Tcl_WideInt)) {
		    if (w1 >= (Tcl_WideInt)0) {
			return constants[0];
		    }
		    WIDE_RESULT(-1);
		}
................................................................................
	    }

	    mp_clear(&big1);
	    mp_clear(&big2);
	    BIG_RESULT(&bigResult);
	}

	if ((type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) || (type2 == TCL_NUMBER_LONG || type2 == TCL_NUMBER_WIDE)) {
	    TclGetWideIntFromObj(NULL, valuePtr, &w1);
	    TclGetWideIntFromObj(NULL, value2Ptr, &w2);

	    switch (opcode) {
	    case INST_BITAND:
		wResult = w1 & w2;
		break;
................................................................................
	    if (d1==0.0 && d2<0.0) {
		return EXPONENT_OF_ZERO;
	    }
	    dResult = pow(d1, d2);
	    goto doubleResult;
	}
	w2 = 0;
	if (type2 == TCL_NUMBER_LONG || type2 == TCL_NUMBER_WIDE) {
	    w2 = *((const Tcl_WideInt *) ptr2);
	    if (w2 == 0) {
		/*
		 * Anything to the zero power is 1.
		 */

		return constants[1];
................................................................................
		 */

		return NULL;
	    }
	}

	switch (type2) {
	case TCL_NUMBER_LONG:
	case TCL_NUMBER_WIDE:
	    w2 = *((const Tcl_WideInt *)ptr2);
	    negativeExponent = (w2 < 0);
	    oddExponent = (int) (w2 & (Tcl_WideInt)1);
	    break;
	case TCL_NUMBER_BIG:
	    Tcl_TakeBignumFromObj(NULL, value2Ptr, &big2);
................................................................................
	    negativeExponent = (mp_cmp_d(&big2, 0) == MP_LT);
	    mp_mod_2d(&big2, 1, &big2);
	    oddExponent = !mp_iszero(&big2);
	    mp_clear(&big2);
	    break;
	}

	if (type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) {
	    w1 = *((const Tcl_WideInt *)ptr1);
	}
	if (negativeExponent) {
	    if (type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) {
		switch (w1) {
		case 0:
		    /*
		     * Zero to a negative power is div by zero error.
		     */

		    return EXPONENT_OF_ZERO;
................................................................................
	     * Integers with magnitude greater than 1 raise to a negative
	     * power yield the answer zero (see TIP 123).
	     */

	    return constants[0];
	}

	if (type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) {
	    switch (w1) {
	    case 0:
		/*
		 * Zero to a positive power is zero.
		 */

		return constants[0];
................................................................................
	}

	/*
	 * We refuse to accept exponent arguments that exceed one mp_digit
	 * which means the max exponent value is 2**28-1 = 0x0fffffff =
	 * 268435455, which fits into a signed 32 bit int which is within the
	 * range of the long int type. This means any numeric Tcl_Obj value
	 * not using TCL_NUMBER_LONG type must hold a value larger than we
	 * accept.
	 */

	if (type2 != TCL_NUMBER_LONG && type2 != TCL_NUMBER_WIDE) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "exponent too large", -1));
	    return GENERAL_ARITHMETIC_ERROR;
	}

	if (type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) {
	    if (w1 == 2) {
		/*
		 * Reduce small powers of 2 to shifts.
		 */

		if ((Tcl_WideUInt) w2 < (Tcl_WideUInt) CHAR_BIT*sizeof(Tcl_WideInt) - 1) {
		    WIDE_RESULT(((Tcl_WideInt) 1) << (int)w2);
................................................................................

		if ((Tcl_WideUInt)w2 < CHAR_BIT*sizeof(Tcl_WideInt) - 1){
		    WIDE_RESULT(signum * (((Tcl_WideInt) 1) << (int) w2));
		}
		goto overflowExpon;
	    }
	}
	if (type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) {
	    w1 = *((const Tcl_WideInt *) ptr1);
	} else {
	    goto overflowExpon;
	}
	if (w2 - 2 < (long)MaxBase64Size
		&& w1 <=  MaxBase64[w2 - 2]
		&& w1 >= -MaxBase64[w2 - 2]) {
................................................................................
	if ((type1 != TCL_NUMBER_BIG) && (type2 != TCL_NUMBER_BIG)) {
	    TclGetWideIntFromObj(NULL, valuePtr, &w1);
	    TclGetWideIntFromObj(NULL, value2Ptr, &w2);

	    switch (opcode) {
	    case INST_ADD:
		wResult = w1 + w2;
		if ((type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) || (type2 == TCL_NUMBER_LONG || type2 == TCL_NUMBER_WIDE))
		{
		    /*
		     * Check for overflow.
		     */

		    if (Overflowing(w1, w2, wResult)) {
			goto overflowBasic;
		    }
		}
		break;

	    case INST_SUB:
		wResult = w1 - w2;
		if ((type1 == TCL_NUMBER_LONG || type1 == TCL_NUMBER_WIDE) || (type2 == TCL_NUMBER_LONG || type2 == TCL_NUMBER_WIDE))
		{
		    /*
		     * Must check for overflow. The macro tests for overflows
		     * in sums by looking at the sign bits. As we have a
		     * subtraction here, we are adding -w2. As -w2 could in
		     * turn overflow, we test with ~w2 instead: it has the
		     * opposite sign bit to w2 so it does the job. Note that
................................................................................
    mp_int big;
    Tcl_Obj *objResultPtr;

    (void) GetNumberFromObj(NULL, valuePtr, &ptr, &type);

    switch (opcode) {
    case INST_BITNOT:
	if (type == TCL_NUMBER_LONG || type == TCL_NUMBER_WIDE) {
	    w = *((const Tcl_WideInt *) ptr);
	    WIDE_RESULT(~w);
	}
	Tcl_TakeBignumFromObj(NULL, valuePtr, &big);
	/* ~a = - a - 1 */
	mp_neg(&big, &big);
	mp_sub_d(&big, 1, &big);
	BIG_RESULT(&big);
    case INST_UMINUS:
	switch (type) {
	case TCL_NUMBER_DOUBLE:
	    DOUBLE_RESULT(-(*((const double *) ptr)));
	case TCL_NUMBER_LONG:
	case TCL_NUMBER_WIDE:
	    w = *((const Tcl_WideInt *) ptr);
	    if (w != LLONG_MIN) {
		WIDE_RESULT(-w);
	    }
	    TclInitBignumFromWideInt(&big, w);
	    break;
................................................................................
    double d1, d2, tmp;
    Tcl_WideInt w1, w2;

    (void) GetNumberFromObj(NULL, valuePtr, &ptr1, &type1);
    (void) GetNumberFromObj(NULL, value2Ptr, &ptr2, &type2);

    switch (type1) {
    case TCL_NUMBER_LONG:
    case TCL_NUMBER_WIDE:
	w1 = *((const Tcl_WideInt *)ptr1);
	switch (type2) {
	case TCL_NUMBER_LONG:
	case TCL_NUMBER_WIDE:
	    w2 = *((const Tcl_WideInt *)ptr2);
	wideCompare:
	    return (w1 < w2) ? MP_LT : ((w1 > w2) ? MP_GT : MP_EQ);
	case TCL_NUMBER_DOUBLE:
	    d2 = *((const double *)ptr2);
	    d1 = (double) w1;
................................................................................
    case TCL_NUMBER_DOUBLE:
	d1 = *((const double *)ptr1);
	switch (type2) {
	case TCL_NUMBER_DOUBLE:
	    d2 = *((const double *)ptr2);
	doubleCompare:
	    return (d1 < d2) ? MP_LT : ((d1 > d2) ? MP_GT : MP_EQ);
	case TCL_NUMBER_LONG:
	case TCL_NUMBER_WIDE:
	    w2 = *((const Tcl_WideInt *)ptr2);
	    d2 = (double) w2;
	    if (DBL_MANT_DIG > CHAR_BIT*sizeof(Tcl_WideInt)
		    || w2 == (Tcl_WideInt) d2 || modf(d1, &tmp) != 0.0) {
		goto doubleCompare;
	    }
................................................................................
	    Tcl_InitBignumFromDouble(NULL, d1, &big1);
	    goto bigCompare;
	}

    case TCL_NUMBER_BIG:
	Tcl_TakeBignumFromObj(NULL, valuePtr, &big1);
	switch (type2) {
	case TCL_NUMBER_LONG:
	case TCL_NUMBER_WIDE:
	    compare = mp_cmp_d(&big1, 0);
	    mp_clear(&big1);
	    return compare;
	case TCL_NUMBER_DOUBLE:
	    d2 = *((const double *)ptr2);
	    if (TclIsInfinite(d2)) {






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 * MODULE_SCOPE int GetNumberFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
 *			ClientData *ptrPtr, int *tPtr);
 */

#ifdef TCL_WIDE_INT_IS_LONG
#define GetNumberFromObj(interp, objPtr, ptrPtr, tPtr) \
    (((objPtr)->typePtr == &tclIntType)					\
	?	(*(tPtr) = TCL_NUMBER_WIDE,				\
		*(ptrPtr) = (ClientData)				\
		    (&((objPtr)->internalRep.wideValue)), TCL_OK) :	\
    ((objPtr)->typePtr == &tclDoubleType)				\
	?	(((TclIsNaN((objPtr)->internalRep.doubleValue))		\
		    ?	(*(tPtr) = TCL_NUMBER_NAN)			\
		    :	(*(tPtr) = TCL_NUMBER_DOUBLE)),			\
		*(ptrPtr) = (ClientData)				\
................................................................................
		    (&((objPtr)->internalRep.doubleValue)), TCL_OK) :	\
    (((objPtr)->bytes != NULL) && ((objPtr)->length == 0))		\
	? TCL_ERROR :			\
    TclGetNumberFromObj((interp), (objPtr), (ptrPtr), (tPtr)))
#else /* !TCL_WIDE_INT_IS_LONG */
#define GetNumberFromObj(interp, objPtr, ptrPtr, tPtr) \
    (((objPtr)->typePtr == &tclIntType)					\
	?	(*(tPtr) = TCL_NUMBER_WIDE,				\
		*(ptrPtr) = (ClientData)				\
		    (&((objPtr)->internalRep.wideValue)), TCL_OK) :	\
    ((objPtr)->typePtr == &tclWideIntType)				\
	?	(*(tPtr) = TCL_NUMBER_WIDE,				\
		*(ptrPtr) = (ClientData)				\
		    (&((objPtr)->internalRep.wideValue)), TCL_OK) :	\
    ((objPtr)->typePtr == &tclDoubleType)				\
................................................................................

	if (TclIsVarDirectModifyable(varPtr)) {
	    ClientData ptr;
	    int type;

	    objPtr = varPtr->value.objPtr;
	    if (GetNumberFromObj(NULL, objPtr, &ptr, &type) == TCL_OK) {
		if (type == TCL_NUMBER_WIDE) {
		    Tcl_WideInt augend = *((const Tcl_WideInt *)ptr);
		    Tcl_WideInt sum = augend + increment;

		    /*
		     * Overflow when (augend and sum have different sign) and
		     * (augend and increment have the same sign). This is
		     * encapsulated in the Overflowing macro.
................................................................................
			 * We know the sum value is outside the long range;
			 * use macro form that doesn't range test again.
			 */

			TclSetWideIntObj(objPtr, w+increment);
		    }
		    goto doneIncr;
		}	/* end if (type == TCL_NUMBER_WIDE) */
	    }
	    if (Tcl_IsShared(objPtr)) {
		objPtr->refCount--;	/* We know it's shared */
		objResultPtr = Tcl_DuplicateObj(objPtr);
		Tcl_IncrRefCount(objResultPtr);
		varPtr->value.objPtr = objResultPtr;
	    } else {
................................................................................
	ClientData ptr1, ptr2;
	int type1, type2;
    Tcl_WideInt w1, w2, wResult;

    case INST_NUM_TYPE:
	if (GetNumberFromObj(NULL, OBJ_AT_TOS, &ptr1, &type1) != TCL_OK) {
	    type1 = 0;
	} else if (type1 == TCL_NUMBER_WIDE) {
	    /* value is between WIDE_MIN and WIDE_MAX */
	    /* [string is integer] is -UINT_MAX to UINT_MAX range */
	    /* [string is wideinteger] is -UWIDE_MAX to UWIDE_MAX range */
	    int i;

	    if (Tcl_GetIntFromObj(NULL, OBJ_AT_TOS, &i) != TCL_OK) {
		type1 = TCL_NUMBER_WIDE;
	    } else {
		type1 = TCL_NUMBER_LONG;
	    }
	} else if (type1 == TCL_NUMBER_BIG) {
	    /* value is an integer outside the WIDE_MIN to WIDE_MAX range */

	    /* [string is wideinteger] is -UWIDE_MAX to UWIDE_MAX range */

	    Tcl_WideInt w;



	    if (Tcl_GetWideIntFromObj(NULL, OBJ_AT_TOS, &w) == TCL_OK) {
		type1 = TCL_NUMBER_WIDE;
	    }
	}
	TclNewLongObj(objResultPtr, type1);
	TRACE(("\"%.20s\" => %d\n", O2S(OBJ_AT_TOS), type1));
	NEXT_INST_F(1, 1, 1);

................................................................................
	    iResult = (*pc == INST_NEQ);
	    goto foundResult;
	}
	if (valuePtr == value2Ptr) {
	    compare = MP_EQ;
	    goto convertComparison;
	}
	if ((type1 == TCL_NUMBER_WIDE) && (type2 == TCL_NUMBER_WIDE)) {
	    w1 = *((const Tcl_WideInt *)ptr1);
	    w2 = *((const Tcl_WideInt *)ptr2);
	    compare = (w1 < w2) ? MP_LT : ((w1 > w2) ? MP_GT : MP_EQ);
	} else {
	    compare = TclCompareTwoNumbers(valuePtr, value2Ptr);
	}

................................................................................
	    goto gotError;
	}

	/*
	 * Check for common, simple case.
	 */

	if ((type1 == TCL_NUMBER_WIDE) && (type2 == TCL_NUMBER_WIDE)) {
	    w1 = *((const Tcl_WideInt *)ptr1);
	    w2 = *((const Tcl_WideInt *)ptr2);

	    switch (*pc) {
	    case INST_MOD:
		if (w2 == 0) {
		    TRACE(("%s %s => DIVIDE BY ZERO\n", O2S(valuePtr),
................................................................................
#endif

	/*
	 * Handle (long,long) arithmetic as best we can without going out to
	 * an external function.
	 */

	if ((type1 == TCL_NUMBER_WIDE) && (type2 == TCL_NUMBER_WIDE)) {
	    w1 = *((const Tcl_WideInt *)ptr1);
	    w2 = *((const Tcl_WideInt *)ptr2);

	    switch (*pc) {
	    case INST_ADD:
		wResult = w1 + w2;
		/*
................................................................................
	    TRACE_APPEND(("ERROR: illegal type %s\n",
		    (valuePtr->typePtr? valuePtr->typePtr->name : "null")));
	    DECACHE_STACK_INFO();
	    IllegalExprOperandType(interp, pc, valuePtr);
	    CACHE_STACK_INFO();
	    goto gotError;
	}
	if (type1 == TCL_NUMBER_WIDE) {
	    w1 = *((const Tcl_WideInt *) ptr1);
	    if (Tcl_IsShared(valuePtr)) {
		TclNewWideObj(objResultPtr, ~w1);
		TRACE_APPEND(("%s\n", O2S(objResultPtr)));
		NEXT_INST_F(1, 1, 1);
	    }
	    TclSetWideIntObj(valuePtr, ~w1);
................................................................................
	    goto gotError;
	}
	switch (type1) {
	case TCL_NUMBER_NAN:
	    /* -NaN => NaN */
	    TRACE_APPEND(("%s\n", O2S(valuePtr)));
	    NEXT_INST_F(1, 0, 0);

	case TCL_NUMBER_WIDE:
	    w1 = *((const Tcl_WideInt *) ptr1);
	    if (w1 != LLONG_MIN) {
		if (Tcl_IsShared(valuePtr)) {
		    TclNewWideObj(objResultPtr, -w1);
		    TRACE_APPEND(("%s\n", O2S(objResultPtr)));
		    NEXT_INST_F(1, 1, 1);
................................................................................
    (void) GetNumberFromObj(NULL, value2Ptr, &ptr2, &type2);

    switch (opcode) {
    case INST_MOD:
	/* TODO: Attempts to re-use unshared operands on stack */

	w2 = 0;			/* silence gcc warning */
	if (type2 == TCL_NUMBER_WIDE) {
	    w2 = *((const Tcl_WideInt *)ptr2);
	    if (w2 == 0) {
		return DIVIDED_BY_ZERO;
	    }
	    if ((w2 == 1) || (w2 == -1)) {
		/*
		 * Div. by |1| always yields remainder of 0.
................................................................................
    case INST_LSHIFT:
    case INST_RSHIFT: {
	/*
	 * Reject negative shift argument.
	 */

	switch (type2) {

	case TCL_NUMBER_WIDE:
	    invalid = (*((const Tcl_WideInt *)ptr2) < (Tcl_WideInt)0);
	    break;
	case TCL_NUMBER_BIG:
	    Tcl_TakeBignumFromObj(NULL, value2Ptr, &big2);
	    invalid = (mp_cmp_d(&big2, 0) == MP_LT);
	    mp_clear(&big2);
................................................................................
	    return GENERAL_ARITHMETIC_ERROR;
	}

	/*
	 * Zero shifted any number of bits is still zero.
	 */

	if ((type1==TCL_NUMBER_WIDE) && (*((const Tcl_WideInt *)ptr1) == (Tcl_WideInt)0)) {
	    return constants[0];
	}

	if (opcode == INST_LSHIFT) {
	    /*
	     * Large left shifts create integer overflow.
	     *
	     * BEWARE! Can't use Tcl_GetIntFromObj() here because that
	     * converts values in the (unsigned) range to their signed int
	     * counterparts, leading to incorrect results.
	     */

	    if ((type2 != TCL_NUMBER_WIDE)
		    || (*((const Tcl_WideInt *)ptr2) > (long) INT_MAX)) {
		/*
		 * Technically, we could hold the value (1 << (INT_MAX+1)) in
		 * an mp_int, but since we're using mp_mul_2d() to do the
		 * work, and it takes only an int argument, that's a good
		 * place to draw the line.
		 */
................................................................................
		}
	    }
	} else {
	    /*
	     * Quickly force large right shifts to 0 or -1.
	     */

	    if ((type2 != TCL_NUMBER_WIDE)
		    || (*(const Tcl_WideInt *)ptr2 > INT_MAX)) {
		/*
		 * Again, technically, the value to be shifted could be an
		 * mp_int so huge that a right shift by (INT_MAX+1) bits could
		 * not take us to the result of 0 or -1, but since we're using
		 * mp_div_2d to do the work, and it takes only an int
		 * argument, we draw the line there.
		 */

		switch (type1) {

		case TCL_NUMBER_WIDE:
		    zero = (*(const Tcl_WideInt *)ptr1 > (Tcl_WideInt)0);
		    break;
		case TCL_NUMBER_BIG:
		    Tcl_TakeBignumFromObj(NULL, valuePtr, &big1);
		    zero = (mp_cmp_d(&big1, 0) == MP_GT);
		    mp_clear(&big1);
................................................................................
	    }
	    shift = (int)(*(const Tcl_WideInt *)ptr2);

	    /*
	     * Handle shifts within the native wide range.
	     */

	    if (type1 == TCL_NUMBER_WIDE) {
		w1 = *(const Tcl_WideInt *)ptr1;
		if ((size_t)shift >= CHAR_BIT*sizeof(Tcl_WideInt)) {
		    if (w1 >= (Tcl_WideInt)0) {
			return constants[0];
		    }
		    WIDE_RESULT(-1);
		}
................................................................................
	    }

	    mp_clear(&big1);
	    mp_clear(&big2);
	    BIG_RESULT(&bigResult);
	}

	if ((type1 == TCL_NUMBER_WIDE) || (type2 == TCL_NUMBER_WIDE)) {
	    TclGetWideIntFromObj(NULL, valuePtr, &w1);
	    TclGetWideIntFromObj(NULL, value2Ptr, &w2);

	    switch (opcode) {
	    case INST_BITAND:
		wResult = w1 & w2;
		break;
................................................................................
	    if (d1==0.0 && d2<0.0) {
		return EXPONENT_OF_ZERO;
	    }
	    dResult = pow(d1, d2);
	    goto doubleResult;
	}
	w2 = 0;
	if (type2 == TCL_NUMBER_WIDE) {
	    w2 = *((const Tcl_WideInt *) ptr2);
	    if (w2 == 0) {
		/*
		 * Anything to the zero power is 1.
		 */

		return constants[1];
................................................................................
		 */

		return NULL;
	    }
	}

	switch (type2) {

	case TCL_NUMBER_WIDE:
	    w2 = *((const Tcl_WideInt *)ptr2);
	    negativeExponent = (w2 < 0);
	    oddExponent = (int) (w2 & (Tcl_WideInt)1);
	    break;
	case TCL_NUMBER_BIG:
	    Tcl_TakeBignumFromObj(NULL, value2Ptr, &big2);
................................................................................
	    negativeExponent = (mp_cmp_d(&big2, 0) == MP_LT);
	    mp_mod_2d(&big2, 1, &big2);
	    oddExponent = !mp_iszero(&big2);
	    mp_clear(&big2);
	    break;
	}

	if (type1 == TCL_NUMBER_WIDE) {
	    w1 = *((const Tcl_WideInt *)ptr1);
	}
	if (negativeExponent) {
	    if (type1 == TCL_NUMBER_WIDE) {
		switch (w1) {
		case 0:
		    /*
		     * Zero to a negative power is div by zero error.
		     */

		    return EXPONENT_OF_ZERO;
................................................................................
	     * Integers with magnitude greater than 1 raise to a negative
	     * power yield the answer zero (see TIP 123).
	     */

	    return constants[0];
	}

	if (type1 == TCL_NUMBER_WIDE) {
	    switch (w1) {
	    case 0:
		/*
		 * Zero to a positive power is zero.
		 */

		return constants[0];
................................................................................
	}

	/*
	 * We refuse to accept exponent arguments that exceed one mp_digit
	 * which means the max exponent value is 2**28-1 = 0x0fffffff =
	 * 268435455, which fits into a signed 32 bit int which is within the
	 * range of the long int type. This means any numeric Tcl_Obj value
	 * not using TCL_NUMBER_WIDE type must hold a value larger than we
	 * accept.
	 */

	if (type2 != TCL_NUMBER_WIDE) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "exponent too large", -1));
	    return GENERAL_ARITHMETIC_ERROR;
	}

	if (type1 == TCL_NUMBER_WIDE) {
	    if (w1 == 2) {
		/*
		 * Reduce small powers of 2 to shifts.
		 */

		if ((Tcl_WideUInt) w2 < (Tcl_WideUInt) CHAR_BIT*sizeof(Tcl_WideInt) - 1) {
		    WIDE_RESULT(((Tcl_WideInt) 1) << (int)w2);
................................................................................

		if ((Tcl_WideUInt)w2 < CHAR_BIT*sizeof(Tcl_WideInt) - 1){
		    WIDE_RESULT(signum * (((Tcl_WideInt) 1) << (int) w2));
		}
		goto overflowExpon;
	    }
	}
	if (type1 == TCL_NUMBER_WIDE) {
	    w1 = *((const Tcl_WideInt *) ptr1);
	} else {
	    goto overflowExpon;
	}
	if (w2 - 2 < (long)MaxBase64Size
		&& w1 <=  MaxBase64[w2 - 2]
		&& w1 >= -MaxBase64[w2 - 2]) {
................................................................................
	if ((type1 != TCL_NUMBER_BIG) && (type2 != TCL_NUMBER_BIG)) {
	    TclGetWideIntFromObj(NULL, valuePtr, &w1);
	    TclGetWideIntFromObj(NULL, value2Ptr, &w2);

	    switch (opcode) {
	    case INST_ADD:
		wResult = w1 + w2;
		if ((type1 == TCL_NUMBER_WIDE) || (type2 == TCL_NUMBER_WIDE))
		{
		    /*
		     * Check for overflow.
		     */

		    if (Overflowing(w1, w2, wResult)) {
			goto overflowBasic;
		    }
		}
		break;

	    case INST_SUB:
		wResult = w1 - w2;
		if ((type1 == TCL_NUMBER_WIDE) || (type2 == TCL_NUMBER_WIDE))
		{
		    /*
		     * Must check for overflow. The macro tests for overflows
		     * in sums by looking at the sign bits. As we have a
		     * subtraction here, we are adding -w2. As -w2 could in
		     * turn overflow, we test with ~w2 instead: it has the
		     * opposite sign bit to w2 so it does the job. Note that
................................................................................
    mp_int big;
    Tcl_Obj *objResultPtr;

    (void) GetNumberFromObj(NULL, valuePtr, &ptr, &type);

    switch (opcode) {
    case INST_BITNOT:
	if (type == TCL_NUMBER_WIDE) {
	    w = *((const Tcl_WideInt *) ptr);
	    WIDE_RESULT(~w);
	}
	Tcl_TakeBignumFromObj(NULL, valuePtr, &big);
	/* ~a = - a - 1 */
	mp_neg(&big, &big);
	mp_sub_d(&big, 1, &big);
	BIG_RESULT(&big);
    case INST_UMINUS:
	switch (type) {
	case TCL_NUMBER_DOUBLE:
	    DOUBLE_RESULT(-(*((const double *) ptr)));

	case TCL_NUMBER_WIDE:
	    w = *((const Tcl_WideInt *) ptr);
	    if (w != LLONG_MIN) {
		WIDE_RESULT(-w);
	    }
	    TclInitBignumFromWideInt(&big, w);
	    break;
................................................................................
    double d1, d2, tmp;
    Tcl_WideInt w1, w2;

    (void) GetNumberFromObj(NULL, valuePtr, &ptr1, &type1);
    (void) GetNumberFromObj(NULL, value2Ptr, &ptr2, &type2);

    switch (type1) {

    case TCL_NUMBER_WIDE:
	w1 = *((const Tcl_WideInt *)ptr1);
	switch (type2) {

	case TCL_NUMBER_WIDE:
	    w2 = *((const Tcl_WideInt *)ptr2);
	wideCompare:
	    return (w1 < w2) ? MP_LT : ((w1 > w2) ? MP_GT : MP_EQ);
	case TCL_NUMBER_DOUBLE:
	    d2 = *((const double *)ptr2);
	    d1 = (double) w1;
................................................................................
    case TCL_NUMBER_DOUBLE:
	d1 = *((const double *)ptr1);
	switch (type2) {
	case TCL_NUMBER_DOUBLE:
	    d2 = *((const double *)ptr2);
	doubleCompare:
	    return (d1 < d2) ? MP_LT : ((d1 > d2) ? MP_GT : MP_EQ);

	case TCL_NUMBER_WIDE:
	    w2 = *((const Tcl_WideInt *)ptr2);
	    d2 = (double) w2;
	    if (DBL_MANT_DIG > CHAR_BIT*sizeof(Tcl_WideInt)
		    || w2 == (Tcl_WideInt) d2 || modf(d1, &tmp) != 0.0) {
		goto doubleCompare;
	    }
................................................................................
	    Tcl_InitBignumFromDouble(NULL, d1, &big1);
	    goto bigCompare;
	}

    case TCL_NUMBER_BIG:
	Tcl_TakeBignumFromObj(NULL, valuePtr, &big1);
	switch (type2) {

	case TCL_NUMBER_WIDE:
	    compare = mp_cmp_d(&big1, 0);
	    mp_clear(&big1);
	    return compare;
	case TCL_NUMBER_DOUBLE:
	    d2 = *((const double *)ptr2);
	    if (TclIsInfinite(d2)) {